Some sources, including Fitzsimmons himself, claimed he had over 350
fights, but this may be an an exaggeration; In the ring, Fitzsimmons
moved quickly and hit hard from all angles; He took on much larger men
without hesitation

Nat Fleischer
ranked Fitzsimmons as the #3 All-Time Heavyweight; Charley Rose ranked
him as the #1 All-Time Light Heavyweight; Fitzsimmons was inducted into
the Ring Boxing Hall of Fame in 1954 and the International Boxing Hall
of Fame in 1990